10 amazing women you may not know

Kenyan Nobel Laureate, Wangari Muta Maathai, right, receives the prestigious Jawaharlal Nehru Award for International Understanding from Indian President A.P.J. Abdul Kalam at a function at the Presidential Palace in New Delhi, March 22, 2007. ( Raveendran/AFP/Getty Images)

The 20th century glitters with women who helped change the course of history. Marie Curie, Indira Gandhi, Coco Chanel, Gloria Steinem and Margaret Thatcher are just some of the easily recognized stars from around the world. But there are so many more.